Vostok is close to the coldest spot in the world, where an ______ minus 128.6°F was recorded in 1983.
A. unreliable
B. extra
C. incredible
D. impossible
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Three weeks after the suicidal bombing, the police were still hunting for bombers for they believe more were ______.
A. on the verge
B. on the sly
C. on the spot
D. on the loose
She bought a new hike last Sunday, because her old one()
A. had stolen
B. had been stolen
C. was stolen
D. stolen
下列化合物中,属于氧化磷酸化解偶联剂的是()
A. 鱼藤酮
B. 抗霉素A
C. 氰化物
D. 2,4-二硝基苯酚
We have four computers in our office but()of them are in good order.
A. all
B. none
C. one
D. both